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You searched for: subject:"eukaryotes"
[audio]Genetics 11/19
Genetics lecture on November 19, 2008 at North Park University with Dr. Schau. Gene Expression in Eukaryotes.
Keywords: eukaryotes; gene expression
Downloads: 47
[texts]Endolithic microbial model for Martian exobiology: The road to extinction - Oscampo-Friedmann, R.
Martian exobiology is based on the assumption that on early Mars, liquid water was present and that conditions were suitable for the evolution of life. The cause for life to disappear from the surface and the recognizable fingerprints of past microbial activity preserved on Mars are addressed. The Antarctic cryptoendolithic microbial ecosystem as a model for extinction in the deteriorating Martian environment is discussed.
Keywords: ALGAE; COMPUTER TECHNIQUES; MARKERS; REPLACING; RESIDUES; BACTERIA; BIOLOGICAL EVOLUTION; CHLOROPLASTS; ENZYMES; EUKARYOTES; HOMOLOGY; PHOTOSYNTHESIS; RIBONUCLEIC ACIDS
Downloads: 25
[texts]The SERENDIP 2 SETI project: Current status - Bowyer, C. S.
Over the past 30 years, interest in extraterrestrial intelligence has progressed from philosophical discussion to rigorous scientific endeavors attempting to make contact. Since it is impossible to assess the probability of success and the amount of telescope time needed for detection, Search for Extraterrestrial Intelligence (SETI) Projects are plagued with the problem of attaining the large amounts of time needed on the world's precious few large radio telescopes...
Keywords: BIOLOGICAL EVOLUTION; MITOCHONDRIA; PROTEINS; EUKARYOTES; LOCOMOTION; MARINE BIOLOGY; MICROORGANISMS; ORGANELLES; SYMBIOSIS; ANTIBODIES; BACTERIA
Downloads: 23
[texts]Some basic considerations of telemetry system design - Peake, H. J
No Abstract Available
Keywords: BIOASSAY; SAMPLES; PURIFICATION; THIOLS; ELECTROLYSIS; EUKARYOTES; LIQUID CHROMATOGRAPHY; MOLECULAR WEIGHT; PROTEINS; REDUCTION (CHEMISTRY)
Downloads: 64
[texts]Living aloft: Human requirements for extended spaceflight - Connors, M. M.
Human psychological and social adjustment to space is investigated. Studies and experiences bearing on human performance capability, psychological well being, and social organization, as they relate to space, were identified and assessed, and suggestions offered as to where further research could ease the Earth/space transition. Special emphasis was given to the variables of crew size, crew diversity, and mission duration, all of which can be expected to increase in future spaceflight...
Keywords: ALGAE; EUKARYOTES; GLUTAMATES; NITROGEN; OXYGEN; BIOSYNTHESIS; LIPIDS; METABOLISM; OSMOSIS; PLANTS (BOTANY); SALINITY; SULFUR; TOLERANCES (PHYSIOLOGY)
Downloads: 482
[texts]Nonmarine stromatolites and the search for early life on Mars - Awramik, S. M
The available evidence permits one to conclude that streams flowed and lakes developed on Mars sometime in the remote past. The lessons learned from the Earth's earliest fossil record suggest that stromatolites might have formed on Mars, speculating that: (1) biopoesis occurred on Mars during its earliest history; (2) life evolved and diversified; (3) life inhabited aqueous environments; and (4) sunlight was an important environmental resource...
Keywords: ARCHAEBACTERIA; BROMIDES; CYANOGEN; DIVERGENCE; FRAGMENTS; HALOPHILES; POLYPEPTIDES; BIOLOGICAL EVOLUTION; DEOXYRIBONUCLEIC ACID; EUKARYOTES; GENES; GENETIC CODE; PROTEINS; SEQUENCING; ANALOGIES
Downloads: 31
[texts]Goddard High-Resolution Spectrograph Observations of Procyon and HR1099 - Wood, Brian E.
Goddard High Resolution Spectrograph (GHRS) observations have revealed the presence of broad wings in the transition-region lines of AU Mic and Capella. It has been proposed that these wings are signatures of microflares in the transition regions of these stars and that the solar analog for this phenomenon might be the 'transition region explosive events' discussed by Dere, Bartoe, & Brueckner. We have analyzed GHRS observations of Procyon (F5 IV-V) and HR 1099 (K1 IV G5 IV) to search for broad ...
Keywords: PLANTS (BOTANY); PHOSPHORYLATION; MAMMALS; HOMOLOGY; FRAMES (DATA PROCESSING); EUKARYOTES; ESCHERICHIA; CYTOLOGY; CALCIUM; CALMODULIN; PROTEINS; GENES; DOMAINS; AMINES; AMINO ACIDS; AMPLIFICATION
Downloads: 76
[texts]Chemolithotrophy and physiology of bacterial nutrient limitation - Matin, A
An overview of the physiology of chemolithotrophic bacteria, particularly the thiobacilli, was presented. In these bacteria unique physiological traits are expressed during nutrient limited growth. Different physiological types of chemolithotrophs, pathways of sulfur oxidation, and electron transport in the thiobacilli, problems encountered by chemolithotrophs in the generation of reducing power, and some explanations of the phenomenon of obligate chemolithotrophy were considered...
Keywords: AEROBES; AMINO ACIDS; ARCHAEBACTERIA; EUKARYOTES; PHOTOSYNTHESIS; PROKARYOTES; REDUCTION (CHEMISTRY); BACTERIA; BIOCONVERSION; GLUTATHIONE; HYPEROXIA; ORGANIC COMPOUNDS; OXYGEN; THIOLS; TOXICITY
Downloads: 47
[texts]Ninteenth International Cosmic Ray Conference. OG sessions, volume 1 - NON
Contributed papers addressing cosmic ray origin and galactic phenomena are compiled. The topic areas covered in this volume include gamma ray bursts, gamma rays from point sources, and diffuse gamma ray emission.
Keywords: BACTERIA; ASSIMILATION; BIOCHEMISTRY; CYANO COMPOUNDS; EUKARYOTES; REDUCTION (CHEMISTRY); TEMPERATURE EFFECTS; METABOLISM; OXIDATION; PHOTOSYNTHESIS; PHOTOTROPISM; SULFIDES; WATER; AEROBES; ANAEROBES
Downloads: 592
[movies]The Science of Sin and Salvation (Part 5) - "In the Garden"
The Science of Sin and Salvation (Part 5) - "In the Garden"Ideas from Robert Melashenko regarding how scientific observations might reflect how sin destroys and how God restores. Part 5 discusses how mobile genetic elements may have entered and spread throughout the world.
Keywords: Robert; Bob; Melashenko; Science; Sin; Salvation; transposable; mobile; genetic; elements; MGE; disease; receptors; Christ; nature; God; genome; viruses; genes; repeats; virus; viral; environmental; stress; garden; g-protein; eukaryotes; temptation; adversary; Satan; lying; serpent; devil; Lord; woman; Adam; Eve; man; knowledge; good; evil; fruit; tree; life; obedience; test; wages; sin; death; retrotransposon; DNA; human; alimentary; tract; curses; Hox; squamate; body; plan; regulatory; network; mother; methylation; Piwi; RNA; pregnancy; placenta; polyploidy; weeds
Downloads: 42
[movies]OCW Scholar: Fundamentals of Biology
Instructor: Dr. Michelle Mischke This collection contains clips from lecture videos of MIT's Introduction to Biology classes. Each video will show the instructor explaining a concept that is covered in the session of the Fundamentals of Biology. View the complete course: http://ocw.mit.edu/7-01SCF11
Keywords: Mendel; Mendel's laws; pea plants; experiments; inherited traits; controls; gene; allele; genotype; heterozygote; homozygote; phenotype; dominant; recessive; independent assortment; round; wrinkled; green; yellow; true-breeding; cytology; chromosomes; drosophila; levels of organization; biosphere; ecosystem; organism; organ; tissues; cells; organelles; molecules; nucleated cells; prokaryotes; eukaryotes; heredity; transforming principle; Griffiths; Pneumoccocus bacteria; virulent; Avery; McCarty; McLeod; DNA; adenine; guanine; thymine; cytosine; deoxyribose; polymerization; Hershey-Chase; bacterial viruses; Watson; Crick; Franklin; x-ray crystallography; double helix; Meselson and Stahl; semi-conservative replication; semi-conservative replication model; DNA; 14N; 15N density centrifugation; DNA Replication; enzyme; bacterial cells; assay; 5'; 3'; primer; nucleotides; DNA Polymerase; primase; ligase; topo isomerase; topological problem; fidelity of replication; cloning; purification; vector; transformation
Downloads: 78,984
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